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PSM to DTW: distance & flight time
Portsmouth (Portsmouth International at Pease Airport) → Detroit (Detroit Metropolitan Wayne County Airport)
639 mi
1,028 km · 555 nm
1h 51m
estimated nonstop flight time
Same time
time difference · heading west
See live PSM→DTW fares Phone-only fares on this route — call free
Flight time details
639 miles nonstop takes roughly 1h 51m gate to gate, flying west. Add 45–90 minutes per connection if there's no nonstop service. Both airports share the same local time, so schedules read exactly as flown.
The two airports
- PSM — Portsmouth International at Pease Airport · Portsmouth, United States
- DTW — Detroit Metropolitan Wayne County Airport · Detroit, United States
Distances are great-circle ("as the crow flies") — the same basis airlines use for frequent-flyer miles.
Alternate airports can cut this fare
Flying from or into a nearby airport is the #1 trick our agents use to beat online prices. Call and we'll compare every combination on one call.
Near PSM
- BOS · General Edward Lawrence Logan International Airport50 mi away
- LWM · Lawrence Municipal Airport29 mi away
- MHT · Manchester-Boston Regional Airport33 mi away
- BVY · Beverly Municipal Airport34 mi away
Near DTW
- YIP · Willow Run Airport9 mi away
- ARB · Ann Arbor Municipal Airport20 mi away
- YQG · Windsor Airport21 mi away
- DET · Coleman A. Young Municipal Airport22 mi away
Frequently asked questions
How far is PSM from DTW?
The flight distance from Portsmouth (PSM) to Detroit (DTW) is 639 miles (1,028 km, 555 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from PSM to DTW?
A nonstop flight takes about 1h 51m gate to gate. Actual time varies with winds, routing and season — eastbound transatlantic flights, for example, are usually faster than the return.
What is the cheapest way to fly from PSM to DTW?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on PSM–DTW that never appear on search engines, with no booking fees.